Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.999598E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T10:24:03+0800
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    1 Object 1

    AOE ID 38212
    NORAD ID 38212
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 55644
    NORAD ID 55644
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-5502
    Time of Closest Approach 2026-10-31T20:24:28+0000
    Collision Probability (Pc) 1.999598E-6
    Conjunction Distance (km) 2.291 km
    Relative Speed (km/s) 13.856 km/s
    Conjunction Risk Parameters R (Radial): -0.216 | I (In-track): 0.941 | C (Cross-track): 2.078
    Collision Risk Index (CRI) 0.41
    X Position (km) 4415.161 4416.309
    Position Y (km) -2805.225 -2803.256
    Position Z (km) 4565.713 4565.481
    Velocity X (km/s) 5.423 -1.91
    Velocity Y (km/s) -0.156 5.287
    Velocity Z (km/s) -5.339 5.081

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-5502
    Semimajor Axis (a) 7009.975 km 6946.141 km
    Eccentricity (e) 0.009065 0.000236
    Inclination (i) 74.0485° 69.9969°
    RAAN 165.0006° 311.6042°
    Perigee Argument 147.0152° 231.5190°
    Mean Anomaly (M) 213.6727° 128.5758°
    Apogee 695.385 km 569.644 km
    Perigee 568.291 km 566.364 km
    Orbit Epoch 2026-10-30T08:05:02+0000 2026-10-30T20:12:01+0000

    COSMOS 2251 DEB & STARLINK-5502 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-5502 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-5502 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-5502 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5502Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5502Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data